40417253 has 8 divisors (see below), whose sum is σ = 41093976. Its totient is φ = 39744000.

The previous prime is 40417243. The next prime is 40417259. The reversal of 40417253 is 35271404.

It can be written as a sum of positive squares in 4 ways, for example, as 56644 + 40360609 = 238^2 + 6353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40417253 - 2¹² = 40413157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40417259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33053 + ... + 34253.

It is an arithmetic number, because the mean of its divisors is an integer number (5136747).

Almost surely, 2^40417253 is an apocalyptic number.

It is an amenable number.

40417253 is a deficient number, since it is larger than the sum of its proper divisors (676723).

40417253 is a wasteful number, since it uses less digits than its factorization.

40417253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40417253 is about 6357.4564882506. The cubic root of 40417253 is about 343.1802326364.

Adding to 40417253 its reverse (35271404), we get a palindrome (75688657).

The spelling of 40417253 in words is "forty million, four hundred seventeen thousand, two hundred fifty-three".